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<title>class REXML::Parent - rexml: Ruby Standard Library Documentation</title>


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<div id="parent-class-section" class="nav-section">
  <h3>Parent</h3>

  <p class="link"><a href="Child.html">REXML::Child</a>
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  <h3>Included Modules</h3>

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    <li><span class="include">Enumerable</span>
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  <h3>Methods</h3>

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    <li class="calls-super" ><a href="#method-c-new">::new</a>
    <li ><a href="#method-i-3C-3C">#&lt;&lt;</a>
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    <li ><a href="#method-i-5B-5D-3D">#[]=</a>
    <li ><a href="#method-i-add">#add</a>
    <li ><a href="#method-i-children">#children</a>
    <li ><a href="#method-i-deep_clone">#deep_clone</a>
    <li ><a href="#method-i-delete">#delete</a>
    <li ><a href="#method-i-delete_at">#delete_at</a>
    <li ><a href="#method-i-delete_if">#delete_if</a>
    <li ><a href="#method-i-each">#each</a>
    <li ><a href="#method-i-each_child">#each_child</a>
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    <li ><a href="#method-i-length">#length</a>
    <li ><a href="#method-i-parent-3F">#parent?</a>
    <li ><a href="#method-i-push">#push</a>
    <li ><a href="#method-i-replace_child">#replace_child</a>
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    <main role="main" aria-labelledby="class-REXML::Parent">
    <h1 id="class-REXML::Parent" class="class">
      class REXML::Parent
    </h1>

    <section class="description">
    
<p>A parent has children, and has methods for accessing them.  The <a href="Parent.html"><code>Parent</code></a> class is never encountered except as the superclass for some other object.</p>

    </section>

      <section id="5Buntitled-5D" class="documentation-section">





                <section id="public-class-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Class Methods</h3>
                </header>

                  <div id="method-c-new" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">new</span><span
                                class="method-args">(parent=nil)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Constructor @param parent if supplied, will be set as the parent of this object</p>
                                <div class="method-calls-super">
                                  Calls superclass method
                                  <a href="Child.html#method-c-new"><code>REXML::Child::new</code></a>
                              </div>

                              <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 13</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span> <span class="ruby-identifier">parent</span>=<span class="ruby-keyword">nil</span>
  <span class="ruby-keyword">super</span>(<span class="ruby-identifier">parent</span>)
  <span class="ruby-ivar">@children</span> = []
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                          </section>

                <section id="public-instance-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Instance Methods</h3>
                </header>

                  <div id="method-i-3C-3C" class="method-detail method-alias">
                            <div class="method-heading">
                              <span class="method-name">&lt;&lt;</span><span
                                class="method-args">( object )</span>
                            </div>

                            <div class="method-description">
                              

                            </div>


                            <div class="aliases">
                              Alias for: <a href="Parent.html#method-i-push">push</a>
                            </div>
                          </div>

                  <div id="method-i-5B-5D" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">[]</span><span
                                class="method-args">( index )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Fetches a child at a given index @param index the Integer index of the child to fetch</p>

                              <div class="method-source-code" id="5B-5D-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 57</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">[]</span>( <span class="ruby-identifier">index</span> )
  <span class="ruby-ivar">@children</span>[<span class="ruby-identifier">index</span>]
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-5B-5D-3D" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">[]=</span><span
                                class="method-args">( *args )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Set an index entry.  See Array.[]= @param index the index of the element to set @param opt either the object to set, or an Integer length @param child if opt is an Integer, this is the child to set @return the parent (self)</p>

                              <div class="method-source-code" id="5B-5D-3D-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 70</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">[]=</span>( <span class="ruby-operator">*</span><span class="ruby-identifier">args</span> )
  <span class="ruby-identifier">args</span>[<span class="ruby-value">-1</span>].<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
  <span class="ruby-ivar">@children</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>[<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-value">-2</span>]] = <span class="ruby-identifier">args</span>[<span class="ruby-value">-1</span>]
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-add" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">add</span><span
                                class="method-args">( object )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="add-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 18</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">add</span>( <span class="ruby-identifier">object</span> )
  <span class="ruby-identifier">object</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
  <span class="ruby-ivar">@children</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">object</span>
  <span class="ruby-identifier">object</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>

                            <div class="aliases">
                              Also aliased as: <a href="Parent.html#method-i-push">push</a>
                            </div>

                          </div>

                  <div id="method-i-children" class="method-detail method-alias">
                            <div class="method-heading">
                              <span class="method-name">children</span><span
                                class="method-args">()</span>
                            </div>

                            <div class="method-description">
                              

                            </div>


                            <div class="aliases">
                              Alias for: <a href="Parent.html#method-i-to_a">to_a</a>
                            </div>
                          </div>

                  <div id="method-i-deep_clone" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">deep_clone</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Deeply clones this object.  This creates a complete duplicate of this <a href="Parent.html"><code>Parent</code></a>, including all descendants.</p>

                              <div class="method-source-code" id="deep_clone-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 148</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">deep_clone</span>
  <span class="ruby-identifier">cl</span> = <span class="ruby-identifier">clone</span>()
  <span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">child</span><span class="ruby-operator">|</span>
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">child</span>.<span class="ruby-identifier">kind_of?</span> <span class="ruby-constant">Parent</span>
      <span class="ruby-identifier">cl</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">child</span>.<span class="ruby-identifier">deep_clone</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">cl</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">child</span>.<span class="ruby-identifier">clone</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-identifier">cl</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-delete" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">delete</span><span
                                class="method-args">( object )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="delete-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 32</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">delete</span>( <span class="ruby-identifier">object</span> )
  <span class="ruby-identifier">found</span> = <span class="ruby-keyword">false</span>
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">delete_if</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">c</span><span class="ruby-operator">|</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">equal?</span>(<span class="ruby-identifier">object</span>) <span class="ruby-keyword">and</span> <span class="ruby-identifier">found</span> = <span class="ruby-keyword">true</span> }
  <span class="ruby-identifier">object</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">nil</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">found</span>
  <span class="ruby-identifier">found</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">object</span> <span class="ruby-operator">:</span> <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-delete_at" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">delete_at</span><span
                                class="method-args">( index )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="delete_at-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 47</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">delete_at</span>( <span class="ruby-identifier">index</span> )
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">delete_at</span> <span class="ruby-identifier">index</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-delete_if" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">delete_if</span><span
                                class="method-args">( &amp;block )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="delete_if-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 43</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">delete_if</span>( <span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span> )
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">delete_if</span>(<span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-each" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">each</span><span
                                class="method-args">(&amp;block)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="each-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 39</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each</span>(<span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span>)
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">each</span>(<span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>

                            <div class="aliases">
                              Also aliased as: <a href="Parent.html#method-i-each_child">each_child</a>
                            </div>

                          </div>

                  <div id="method-i-each_child" class="method-detail method-alias">
                            <div class="method-heading">
                              <span class="method-name">each_child</span><span
                                class="method-args">(&amp;block)</span>
                            </div>

                            <div class="method-description">
                              

                            </div>


                            <div class="aliases">
                              Alias for: <a href="Parent.html#method-i-each">each</a>
                            </div>
                          </div>

                  <div id="method-i-each_index" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">each_index</span><span
                                class="method-args">( &amp;block )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="each_index-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 51</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each_index</span>( <span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span> )
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">each_index</span>(<span class="ruby-operator">&amp;</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-index" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">index</span><span
                                class="method-args">( child )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Fetches the index of a given child @param child the child to get the index of @return the index of the child, or nil if the object is not a child of this parent.</p>

                              <div class="method-source-code" id="index-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 123</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">index</span>( <span class="ruby-identifier">child</span> )
  <span class="ruby-identifier">count</span> = <span class="ruby-value">-1</span>
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">find</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span> <span class="ruby-identifier">count</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> ; <span class="ruby-identifier">i</span>.<span class="ruby-identifier">hash</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">child</span>.<span class="ruby-identifier">hash</span> }
  <span class="ruby-identifier">count</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-insert_after" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">insert_after</span><span
                                class="method-args">( child1, child2 )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Inserts an child after another child @param child1 this is either an xpath or an <a href="Element.html"><code>Element</code></a>.  If an <a href="Element.html"><code>Element</code></a>, child2 will be inserted after child1 in the child list of the parent. If an xpath, child2 will be inserted after the first child to match the xpath. @param child2 the child to insert @return the parent (self)</p>

                              <div class="method-source-code" id="insert_after-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 102</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">insert_after</span>( <span class="ruby-identifier">child1</span>, <span class="ruby-identifier">child2</span> )
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">child1</span>.<span class="ruby-identifier">kind_of?</span> <span class="ruby-constant">String</span>
    <span class="ruby-identifier">child1</span> = <span class="ruby-constant">XPath</span>.<span class="ruby-identifier">first</span>( <span class="ruby-keyword">self</span>, <span class="ruby-identifier">child1</span> )
    <span class="ruby-identifier">child1</span>.<span class="ruby-identifier">parent</span>.<span class="ruby-identifier">insert_after</span> <span class="ruby-identifier">child1</span>, <span class="ruby-identifier">child2</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">ind</span> = <span class="ruby-identifier">index</span>(<span class="ruby-identifier">child1</span>)<span class="ruby-value">+1</span>
    <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">child2</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span>
    <span class="ruby-ivar">@children</span>[<span class="ruby-identifier">ind</span>,<span class="ruby-value">0</span>] = <span class="ruby-identifier">child2</span>
    <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">self</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-insert_before" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">insert_before</span><span
                                class="method-args">( child1, child2 )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Inserts an child before another child @param child1 this is either an xpath or an <a href="Element.html"><code>Element</code></a>.  If an <a href="Element.html"><code>Element</code></a>, child2 will be inserted before child1 in the child list of the parent. If an xpath, child2 will be inserted before the first child to match the xpath. @param child2 the child to insert @return the parent (self)</p>

                              <div class="method-source-code" id="insert_before-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 82</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">insert_before</span>( <span class="ruby-identifier">child1</span>, <span class="ruby-identifier">child2</span> )
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">child1</span>.<span class="ruby-identifier">kind_of?</span> <span class="ruby-constant">String</span>
    <span class="ruby-identifier">child1</span> = <span class="ruby-constant">XPath</span>.<span class="ruby-identifier">first</span>( <span class="ruby-keyword">self</span>, <span class="ruby-identifier">child1</span> )
    <span class="ruby-identifier">child1</span>.<span class="ruby-identifier">parent</span>.<span class="ruby-identifier">insert_before</span> <span class="ruby-identifier">child1</span>, <span class="ruby-identifier">child2</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">ind</span> = <span class="ruby-identifier">index</span>(<span class="ruby-identifier">child1</span>)
    <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">child2</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span>
    <span class="ruby-ivar">@children</span>[<span class="ruby-identifier">ind</span>,<span class="ruby-value">0</span>] = <span class="ruby-identifier">child2</span>
    <span class="ruby-identifier">child2</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
  <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">self</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-length" class="method-detail method-alias">
                            <div class="method-heading">
                              <span class="method-name">length</span><span
                                class="method-args">()</span>
                            </div>

                            <div class="method-description">
                              

                            </div>


                            <div class="aliases">
                              Alias for: <a href="Parent.html#method-i-size">size</a>
                            </div>
                          </div>

                  <div id="method-i-parent-3F" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">parent?</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="parent-3F-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 162</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">parent?</span>
  <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-push" class="method-detail method-alias">
                            <div class="method-heading">
                              <span class="method-name">push</span><span
                                class="method-args">( object )</span>
                            </div>

                            <div class="method-description">
                              

                            </div>

                            <div class="aliases">
                              Also aliased as: <a href="Parent.html#method-i-3C-3C">&lt;&lt;</a>
                            </div>

                            <div class="aliases">
                              Alias for: <a href="Parent.html#method-i-add">add</a>
                            </div>
                          </div>

                  <div id="method-i-replace_child" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">replace_child</span><span
                                class="method-args">( to_replace, replacement )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>Replaces one child with another, making sure the nodelist is correct @param to_replace the child to replace (must be a <a href="Child.html"><code>Child</code></a>) @param replacement the child to insert into the nodelist (must be a <a href="Child.html"><code>Child</code></a>)</p>

                              <div class="method-source-code" id="replace_child-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 140</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">replace_child</span>( <span class="ruby-identifier">to_replace</span>, <span class="ruby-identifier">replacement</span> )
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">map!</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">c</span><span class="ruby-operator">|</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">equal?</span>( <span class="ruby-identifier">to_replace</span> ) <span class="ruby-operator">?</span> <span class="ruby-identifier">replacement</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">c</span> }
  <span class="ruby-identifier">to_replace</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-identifier">replacement</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-size" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">size</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              <p>@return the number of children of this parent</p>

                              <div class="method-source-code" id="size-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 130</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">size</span>
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">size</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>

                            <div class="aliases">
                              Also aliased as: <a href="Parent.html#method-i-length">length</a>
                            </div>

                          </div>

                  <div id="method-i-to_a" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">to_a</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="to_a-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 115</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">to_a</span>
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">dup</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>

                            <div class="aliases">
                              Also aliased as: <a href="Parent.html#method-i-children">children</a>
                            </div>

                          </div>

                  <div id="method-i-unshift" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">unshift</span><span
                                class="method-args">( object )</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="unshift-source">
            <pre><span class="ruby-comment"># File rexml-3.2.6/lib/rexml/parent.rb, line 27</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">unshift</span>( <span class="ruby-identifier">object</span> )
  <span class="ruby-identifier">object</span>.<span class="ruby-identifier">parent</span> = <span class="ruby-keyword">self</span>
  <span class="ruby-ivar">@children</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">object</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


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